#include <fstream>
#include <vector>
#define inf 1<<24
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int main()
{
    int n;
    f>>n;

    vector < vector <int> > A(n+1, vector <int>(n+1,inf));

    for (int i=1;i<=n;i++)
    {
        A[i][i]=0;
    }

    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            f>>A[i][j];
    }
    for (int k=1;k<=n;k++)
    {
        for (int i=1;i<=n;i++)
        {
            for (int j=1;j<=n;j++)
                if (A[i][k]+A[k][j]<=A[i][j] || A[i][j]==0)
                {
                    if (A[i][k]!=0 && A[k][j]!=0 && i!=j)
                        A[i][j]=A[i][k]+A[k][j];
                }
        }
    }
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            if (A[i][j]==inf)   g<<"0"<<' ';
            else
                g<<A[i][j]<<' ';
        g<<'\n';
    }
    return 0;
}